<wicket:panel xmlns:wicket="http://wicket.apache.org">

<button wicket:id="login-btn">Login</button>
<div class="langp" wicket:id="userName"></div>
<button wicket:id="logout-btn">Logout</button>
<div class="langp" ><a type="button" wicket:id="Registration-btn"><wicket:message key="p.home.registretion" /></a></div>
</wicket:panel>